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Energy

New paper shows clouds are more important than CO2

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From Clintel.org

By Vijay Jayaraj

Underestimating Clouds: A Climate Mistake We Cannot Afford

A new paper by physicists W. A. van Wijngaarden and William Happer, Radiation Transport in Clouds, suggests that clouds affect atmospheric temperature more than CO2, says Vijay Jayaray of the CO2 Coalition.

Carbon dioxide (CO₂) has been predominantly portrayed as the chief culprit driving global warming. For decades, this misconception has guided international policies, prompted ambitious targets for reducing CO2 emissions and driven a shift from reliable and affordable energy resources like coal, oil, and natural gas toward problematic wind and solar sources.

However, this theory overlooks important factors that influence Earth’s climate system, including a critical variable in the climate system – the role of clouds, which remains woefully underestimated.

Recent work by physicists W. A. van Wijngaarden and William Happer challenges this prevailing paradigm: Their new paper, Radiation Transport in Clouds, suggest clouds affect atmospheric temperature more than CO2 because they have a greater impact on the comparative amounts of solar energy entering Earth’s atmosphere and escaping to outer space.

The Overshadowed Influence of Clouds

Clouds simultaneously reflect incoming sunlight back to space (cooling the Earth) and trap outgoing heat (warming the Earth). This dual nature makes clouds both powerful and perplexing players in our climate system. The net effect of clouds on climate is a balance between these opposing influences, thus a central component of the Earth’s energy budget.

A recent study by van Wijngaarden and Happer, titled “Radiation Transport in Clouds,” delves into this complexity. The 2025 paper says the radiation effects of clouds can easily negate or amplify the impact of CO2. The researchers highlight that clouds have a more pronounced effect on Earth’s radiation budget than greenhouse gases like CO₂.

For instance, their research reveals that a modest decrease in low cloud cover could significantly increase solar heating of the Earth’s surface. In comparison, a doubling of atmospheric CO2 concentrations reduces radiation to space by a mere 1%: “Instantaneously doubling CO₂ concentrations, a 100% increase, only decreases radiation to space by about 1%. To increase solar heating of the Earth by a few percent, low cloud cover only needs to decrease by a few percent.”

This stark contrast highlights the disproportionate influence of cloud dynamics compared to CO2 fluctuations. Most state-of-art climate models are still in their infancy. We need more accurate measurements of clouds’ properties and their influence on the electromagnetic components of solar radiation if they are to be useful inputs for climate models.

Implications for Energy Policy and Reliability

Current strategies assume a direct and dominant link between CO2 emissions and global temperatures to justify aggressive “decarbonization” efforts and an increase in the use of solar and wind energy.

However, solar and wind are inherently intermittent, rendering them unreliable and very expensive as components of a power grid. The infrastructure required to support these technologies entails substantial upfront investments, higher operating costs and increasing utility bills for consumers.

Blackouts, energy shortages and price spikes are becoming increasingly common in regions that have prematurely decommissioned fossil fuel plants without adequate backup solutions. This trend disproportionately affects vulnerable populations, exacerbating energy poverty and hindering economic development.

The major justification for using solar and wind has been that they counter global warming by reducing CO2 emissions from burning fossil fuels. If small variations in cloud cover actually overwhelm the effects of CO2, then the climate’s sensitivity to greenhouse gases is being significantly overestimated. This has profound implications for policy.

Attributing global warming predominantly to CO₂ emissions from the use of fossil fuels is a gross oversimplification. While CO2 undoubtedly has a warming effect, it is relatively modest and beneficial, mainly moderating the difference between daytime and nighttime temperatures. On the other hand, clouds, with their multifaceted interactions and feedbacks, represent a critical and underappreciated component of this puzzle.

The findings of van Wijngaarden and Happer highlight a broader issue within climate science: the tendency to oversimplify complex systems for the sake of political expediency. As the global energy landscape continues to evolve, it is imperative that decisions be based on sound science rather than political dogma.

The time has come to reassess our approach to both climate science and energy policy. The stakes are too high to continue down a path of destructive policies based on erroneous analyses. We must prioritize reliable, affordable energy sources and grid stability over useless reductions in emissions of a harmless gas.

Click here to access the entire Radiation Transport in Clouds paper.

This commentary was first published at BizPac Review on February 10, 2025

Alberta

Enbridge CEO says ‘there’s a good reason’ for Alberta to champion new oil pipeline

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Enbridge CEO Greg Ebel. The company’s extensive pipeline network transports about 30 per cent of the oil produced in North America and nearly 20 per cent of the natural gas consumed in the United States. Photo courtesy Enbridge

From the Canadian Energy Centre

By Deborah Jaremko

B.C. tanker ban an example of federal rules that have to change

The CEO of North America’s largest pipeline operator says Alberta’s move to champion a new oil pipeline to B.C.’s north coast makes sense.

“There’s a good reason the Alberta government has become proponent of a pipeline to the north coast of B.C.,” Enbridge CEO Greg Ebel told the Empire Club of Canada in Toronto the day after Alberta’s announcement.

“The previous [federal] government’s tanker ban effectively makes that export pipeline illegal. No company would build a pipeline to nowhere.”

It’s a big lost opportunity. With short shipping times to Asia, where oil demand is growing, ports on B.C.’s north coast offer a strong business case for Canadian exports. But only if tankers are allowed.

A new pipeline could generate economic benefits across Canada and, under Alberta’s plan, drive economic reconciliation with Indigenous communities.

Ebel said the tanker ban is an example of how policies have to change to allow Canada to maximize its economic potential.

Repealing the legislation is at the top of the list of needed changes Ebel and 94 other energy CEOs sent in a letter to Prime Minister Mark Carney in mid-September.

The federal government’s commitment to the tanker ban under former Prime Minister Justin Trudeau was a key factor in the cancellation of Enbridge’s Northern Gateway pipeline.

That project was originally targeted to go into service around 2016, with capacity to ship 525,000 barrels per day of Canadian oil to Asia.

“We have tried to build nation-building pipelines, and we have the scars to prove it. Five hundred million scars, to be quite honest,” Ebel said, referencing investment the company and its shareholders made advancing the project.

“Those are pensioners and retail investors and employees that took on that risk, and it was difficult,” he said.

For an industry proponent to step up to lead a new Canadian oil export pipeline, it would likely require “overwhelming government support and regulatory overhaul,” BMO Capital Markets said earlier this year.

Energy companies want to build in Canada, Ebel said.

“The energy sector is ready to invest, ready to partner, partner with Indigenous nations and deliver for the country,” he said.

“None of us is calling for weaker environmental oversight. Instead, we are urging government to adopt smarter, clearer, faster processes so that we can attract investment, take risks and build for tomorrow.”

This is the time for Canadians “to remind ourselves we should be the best at this,” Ebel said.

“We should lead the way and show the world how it’s done: wisely, responsibly, efficiently and effectively.”

With input from a technical advisory group that includes pipeline leaders and Indigenous relations experts, Alberta will undertake pre-feasibility work to identify the pipeline’s potential route and size, estimate costs, and begin early Indigenous engagement and partnership efforts.

The province aims to submit an application to the Federal Major Projects Office by spring 2026.

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Alberta

The Technical Pitfalls and Political Perils of “Decarbonized” Oil

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By Ron Wallace

The term “decarbonized oil” is popping up more and more in discussions of Canada’s energy politics. The concept refers to capturing and storing carbon dioxide (CO₂) generated during oil production and processing, thereby reducing greenhouse gas emissions, in order to support the continued strength of Canada’s oil and natural sector, the nation’s number-one export earner and crucial to the economies of Alberta and Saskatchewan. Projects like the Weyburn Carbon Capture, Utilization and Sequestration Project in Saskatchewan have demonstrated the idea’s technical feasibility by sequestering 1.7 million tonnes of CO₂ annually while producing incremental oil.

The key question now is whether this type of process can be dramatically scaled up – by anywhere from six to over 20 times – to facilitate what Alberta Premier Danielle Smith has termed a “grand bargain”: using carbon capture and storage (CCS) to gain a greenlight from the federal government for a new oil export line to the West Coast, enabling Alberta to continue growing oil production and generating jobs while advancing Ottawa’s climate goals. Prime Minister Mark Carney may be prone to hedging and ambiguity, but he has now made it clear that any such pipeline will indeed be contingent on Alberta proving it can “decarbonize” its oil
production.

The Pathways Alliance, a group of six producers representing 95% of Canada’s oil sands production, has designed a $16.5 billion CCS network to capture and store CO₂ from up to 20 facilities, aiming for 11 million tonnes per year in Phase 1 and a breathtaking 40 million tonnes in Phase 2. Pathways is intended to help build consensus in favour of a new oil export pipeline that could enable up to 25% growth in Alberta’s oil production – generating possibly $20 billion per year in export revenues.

While credible critics, including the Institute for Energy Economics and Financial Analysis (IEEFA) and energy economist Jennifer Considine, highlight the high costs, uncertain revenues and poor returns from several other attempts at large-scale CCS, Alberta’s UCP government appears to view it as the way out of its current impasse with Ottawa. It believes the profits generated from exports of Alberta’s decarbonized oil could themselves help finance the CCS facilities required for the “grand bargain” to be sealed.

Smith has been keeping up the political pressure, recently announcing that Alberta will fund and lead the effort to submit a formal pipeline application to the Carney government’s new Major Projects Office. Major obstacles remain, but none is more serious than Carney maintaining predecessor Justin Trudeau’s suite of anti-energy policies, particularly the draft oil and natural gas emissions cap, as part of his government’s intention to meet net-zero targets by 2050 (although Carney has recently indicated some flexibility in this view). Smith argues that this is effectively an “unconstitutional” production cap that threatens Alberta’s economic future, vowing to challenge it legally if Carney doesn’t shelve it.

Smith’s government at the same time is pursuing a more conciliatory tactic, offering to help advance federal climate objectives through CCS in order to speed up pipeline approvals under Carney’s Bill C-5. In this track, there is a question as to whether Alberta may be walking into an economic and technological trap that it will regret.

That is because the “grand bargain” would create two different classes of oil in Canada, operating under different sets of regulations and resulting in different cost structures. Western Canada’s crude oil producers would shoulder costly and technically challenging decarbonization requirements – plus the threat of federal veto over any new oil projects that weren’t similarly “decarbonized”. Canadian-produced oil would enter international export markets at a significant if not ruinous competitive disadvantage, risking not only profitability but market share. Eastern Canada’s oil refiners, meanwhile, would remain free to import fully “carbonized”
oil at the lowest prices they could get from countries with significantly looser environmental standards.

The Alberta oil sands currently generate 58% of Canada’s total oil output. Data from December 2023 shows Alberta producing a record 4.53 million barrels per day as major oil export pipelines including Trans Mountain, Keystone and the Enbridge Mainline operated at near capacity. The same year, Eastern Canada imported on average about 490,000 barrels per day by pipeline and sea from the United States (72.4%), Nigeria (12.9%) and Saudi Arabia (10.7%). Since 1988, imports by marine terminals along the St. Lawrence River have exceeded $228 billion, while imports by New Brunswick’s Irving Oil Ltd. refinery totalled $136 billion from 1988 to 2020.

The economic viability of large-scale CCS projects remains completely unproven; indeed, attempts to date in other jurisdictions have performed poorly. Attempting to “decarbonize” Alberta’s oil, then, makes little economic sense; it appears to be based more on the Carney government’s ideological objectives set to achieve global climate objectives.

The question thus becomes why Alberta is agreeing to a policy that could trap its taxpayers in a hugely expensive and unfair system that could imperil consideration of any new pipelines for Canadian oil exports, especially when private capital already largely remains on the sidelines.

Not only Albertans but Canadians generally need to carefully reconsider any “grand bargain” that hinges on “decarbonization” of western Canadian oil, because doing so threatens the economic viability of Alberta oil production and associated export pipelines – without meaningfully reducing global CO 2 emissions. And if industry proves unable to raise the vast capital required to construct the CCS projects, while lacking the cash flow to cover the steep ongoing costs needed to operate them, then where is the money to come from? At a time when Canada’s fiscal trajectory is so worrisome, the shortfall had better not be made up through public subsidies.

Even worse than the yawning fiscal risks, such an approach risks splitting the country into two economic zones: a West burdened by costly decarbonization requirements making Alberta’s oil some of the world’s least profitable to produce, and an East benefiting as before from cheaper imported oil. This is hardly conducive to national unity. It is time for Alberta to reconsider the “grand bargain”.

The original, full-length version of this article was recently published in C2C Journal.

Ron Wallace is a former Member of the National Energy Board.

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